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[PULL 02/23] ppc/spapr/ddw: Add 2M pagesize
From: |
Daniel Henrique Barboza |
Subject: |
[PULL 02/23] ppc/spapr/ddw: Add 2M pagesize |
Date: |
Wed, 20 Apr 2022 19:13:08 -0300 |
From: Alexey Kardashevskiy <aik@ozlabs.ru>
Recently the LoPAPR spec got a new 2MB pagesize to support in Dynamic DMA
Windows API (DDW), this adds the new flag.
Linux supports it since
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=38727311871
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Message-Id: <20220321071945.918669-1-aik@ozlabs.ru>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
---
hw/ppc/spapr_rtas_ddw.c | 1 +
include/hw/ppc/spapr.h | 1 +
2 files changed, 2 insertions(+)
diff --git a/hw/ppc/spapr_rtas_ddw.c b/hw/ppc/spapr_rtas_ddw.c
index 3e826e1308..13d339c807 100644
--- a/hw/ppc/spapr_rtas_ddw.c
+++ b/hw/ppc/spapr_rtas_ddw.c
@@ -72,6 +72,7 @@ static uint32_t spapr_page_mask_to_query_mask(uint64_t
page_mask)
const struct { int shift; uint32_t mask; } masks[] = {
{ 12, RTAS_DDW_PGSIZE_4K },
{ 16, RTAS_DDW_PGSIZE_64K },
+ { 21, RTAS_DDW_PGSIZE_2M },
{ 24, RTAS_DDW_PGSIZE_16M },
{ 25, RTAS_DDW_PGSIZE_32M },
{ 26, RTAS_DDW_PGSIZE_64M },
diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
index f5c33dcc86..14b01c3f59 100644
--- a/include/hw/ppc/spapr.h
+++ b/include/hw/ppc/spapr.h
@@ -745,6 +745,7 @@ void push_sregs_to_kvm_pr(SpaprMachineState *spapr);
#define RTAS_DDW_PGSIZE_128M 0x20
#define RTAS_DDW_PGSIZE_256M 0x40
#define RTAS_DDW_PGSIZE_16G 0x80
+#define RTAS_DDW_PGSIZE_2M 0x100
/* RTAS tokens */
#define RTAS_TOKEN_BASE 0x2000
--
2.35.1
- [PULL 00/23] ppc queue, Daniel Henrique Barboza, 2022/04/20
- [PULL 01/23] ppc/pnv: Update skiboot to v7.0, Daniel Henrique Barboza, 2022/04/20
- [PULL 02/23] ppc/spapr/ddw: Add 2M pagesize,
Daniel Henrique Barboza <=
- [PULL 03/23] ppc/pnv: Fix PSI IRQ definition, Daniel Henrique Barboza, 2022/04/20
- [PULL 04/23] ppc/pnv: Remove PnvLpcController::psi link, Daniel Henrique Barboza, 2022/04/20
- [PULL 05/23] ppc/pnv: Remove PnvOCC::psi link, Daniel Henrique Barboza, 2022/04/20
- [PULL 06/23] ppc/pnv: Remove PnvPsiClas::irq_set, Daniel Henrique Barboza, 2022/04/20
- [PULL 07/23] ppc/pnv: Remove useless checks in set_irq handlers, Daniel Henrique Barboza, 2022/04/20
- [PULL 08/23] spapr: Move hypercall_register_softmmu, Daniel Henrique Barboza, 2022/04/20
- [PULL 09/23] spapr: Move nested KVM hypercalls under a TCG only config., Daniel Henrique Barboza, 2022/04/20
- [PULL 10/23] target/ppc: Improve KVM hypercall trace, Daniel Henrique Barboza, 2022/04/20
- [PULL 11/23] qemu/int128: add int128_urshift, Daniel Henrique Barboza, 2022/04/20
- [PULL 12/23] softfloat: add uint128_to_float128, Daniel Henrique Barboza, 2022/04/20